Diseño de PCB para Alarma Casera

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El esquema ya quedó cableado y sin errores ERC básicos; también guardé las decisiones y el presupuesto de potencia en un archivo del proyecto. Ahora voy a configurar una PCB de 2 capas y colocar los componentes separando baja tensión de la salida de 120Vac.

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He avanzado el proyecto Alarma12 hasta colocación de PCB:
  • Creé y cableé el esquema de la alarma con entrada 9Vdc, regulador 5V, interruptor de armado, sensor magnético reed, 2 transistores MMBT3904/2N3904 SMD, relay 5V, diodo flyback, buzzer y bornera para salida por contacto del relay.
  • Validé el esquema: los chequeos eléctricos básicos quedaron limpios antes de pasar a PCB.
  • Configuré la PCB en 70 × 50 mm, 2 capas, y coloqué los componentes separando la zona de baja tensión de la zona de contacto 120Vac.
  • Guardé las decisiones de diseño y presupuesto de potencia en Design Notes — Alarma12.
Estado pendiente:
  • El PCB todavía no está ruteado; quedan 23 airwires esperados porque aún faltan las pistas físicas.
  • Quedan avisos de fabricación porque los pasivos genéricos no tienen MPN asignado.
  • Me quedé sin créditos justo después de la colocación, antes de poder rutear y limpiar esos avisos.
Siguiente paso cuando tengas créditos: aprobar la colocación actual y ejecutar el ruteado, dando prioridad a GND/5V/9V, bobina del relay y manteniendo separación segura en la zona de 120Vac.
Ruteado pistas anchas
Revisar separación AC
Asignar MPN económicos
Ejecutar ERC/DRC
Generar Gerbers BOM
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  • Generic Inductor
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Alarma12

Alarma12 thumbnail
Alarma casera

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Arrow

$2.47–$2.85

Digi-Key

$1.59–$1.75

HQonline

$0.33–$0.41

LCSC

$4.03–$4.29

Mouser

$6.28

TME

$0.95

Verical

$3.07–$4.43

Controls